R&D expenditures of firms varies vastly between and within industries. In recent years a lot of theoretical and empirical studies attempted to explain the distribution of R&D expenditures. Four main factors repeatedly appeared in this literature: Firm size, market power, appropriability and...

Ein Schlüsselfaktor für das wirtschaftliche Wachstum und für die internationale Wettbewerbsfähigkeit der deutschen Wirtschaft bilden die Innovationsanstrengungen der Unternehmen. Durch die Globalisierung der Märkte wird die Fähigkeit, neue Produkte, neue technische Verfahren und Ideen...

Im Zuge der Umstrukturierung der ostdeutschen Wirtschaft verringerte sich die Produktion in den neuen Bundesländern im Zeitraum von 1989 bis 1991 um über 42 Prozent. Auch 1992 war der Schrumpfungsprozeß noch nicht abgeschlossen und führte weiterhin zu einem starken Beschäftigungsabbau sowie...

This paper deals with the effects of publicly funded research at universities, polytechnics and federal research labs on industrial innovations in Germany. We discuss the characteristics of companies that benefit from the findings of public research institutions. In questioning 2,300 companies...

Employment termination in East Germany in the first nine months after unification is analyzed within a discrete hazard rate model with three absorbing states, namely short-time work, unemployment and non-participation. Estimation is based on a cohort of employed individuals in June 1990 and the...

Based on the data of the first wave of the Mannheim Innovation panel, this paper explores the link between R&D expenditures and patents. Our data allow a detailed analysis of the firm size distribution of R&D and patent applications at different patent offices. It is shown that the share of R&D...

The present paper presents an analysis of the impact of public infrastructure capital on regional economic developments in Germany. After presenting some descriptive statistical data on the economies of the 11 regions in (West) Germany a simple theoretical model of a cost-minimizing firm is...

A dynamic random effects probit model is estimated on the first six waves of the German Socio-Economic Panel to test for state dependence effects in male unemployment behaviour. Estimation of the model is based on the marginal likelihood approach. In the model an individual's unemployment...